4、ge, fromtheoriginal temperature seemstobe notcontrolled quantityto acontrolledamount oftoday. Itispreciselybecauseofthischange highlightsthe importanceandsignificance of temperaturecontrol. And industrialproduction areusedin electricfurnace, crucible resistancefurnace andthe temperaturecontrolb
5、ox, sothe SCM hasbecomeacore partner ofit, notonlycansolvethe artificialcontrol ofcomplex objects butalsocanimprovethe control precisionand not agoodindicatortherefore, themicrocomputer temperature controltechnology isbeing widely acceptedbypeople. Thisworkisthe constanttemperature controlsyste
6、mdesignof temperature, canbeusedin productionand canalsobeusedin scientificexperiments canalsobeused inthehospital. Inthe constanttemperaturebox temperature oftenchangeto use environment, canmakethe temperature range atacertaintemperature, soastoadapttothe lifeandwork. Butalso can setthetempera
7、ture environmentinwhich youwant toachieve.Thispaper first describestheworkingprinciple ofconstanttemperature controlbox, hardwarebased software asthecoreofthe introduced, several hardware Iwould flowdiagram tointroduce, so we cane